originoflife

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Information about originoflife
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Published on March 15, 2008

Author: Umberto

Source: authorstream.com

Origin of Life:  Origin of Life K. Sathasivan Are we alone?:  Are we alone? Yes No How do you think life originated on earth?:  How do you think life originated on earth? Extraterrestrial aliens brought it Came with meteors from other planets Some superhuman powers created it Chemical from primordial soup combined to make life None of the above History of Life:  History of Life Stromatolites:  Stromatolites Early prokaryotes:  Early prokaryotes Cyanobacteria fossils:  Cyanobacteria fossils Possible Sources of Life’s Origin:  Possible Sources of Life’s Origin Possible Steps in the Origin of Life:  Possible Steps in the Origin of Life Protobionts and Liposomes Which came first?:  DNA  RNA  PROTEIN (Genetic (Information (Catalytic and Information) and catalytic) Structural) DNA RNA Protein Carbohydrates Lipids Which came first? Abiotic RNA Replication:  Abiotic RNA Replication Primitive RNA and Proteins :  Primitive RNA and Proteins Which of the following is/are testable hypothesis about origin of life on earth?:  Which of the following is/are testable hypothesis about origin of life on earth? Extraterrestrial aliens brought it Came with meteors from other planets Some superhuman powers created it Chemical from primordial soup combined to make life None of the above The Five Kingdom System:  The Five Kingdom System Domain Systems:  Domain Systems

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